(19)

(11)

EP 1 236 080 A2

(12)

(88) Date of publication A3: 03.01.2002 (43) Date of publication: 04.09.2002 Bulletin 2002/36 (21) Application number: 00992501.7 (22) Date of filing: 10.11.2000

(51) International Patent Classification (IPC)7: G06F 1/00 (86) International application number: PCT/US0042/092 (87) International publication number: WO 0104/0900 (07.06.2001 Gazette 2001/23)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 12.11.1999 US 439645 (71) Applicant: Sun Microsystems, Inc. Palo Alto,California 94303-4900 (US)	(72) Inventor: CHEN, Zhiqun Palo Alto, CA 94303-4900 (US) (74) Representative: Leeming, John Gerard  J.A. Kemp & Co.,14 South Square,Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)